window.onload=function(){
    let user=document.getElementById("user")
    console.log(user.value)
    user.addEventListener("input",(e)=>{
        console.log("正在输入",e.target.value)
    })

    let man=document.getElementById("man")
    let woman=document.getElementById("woman")
    man.addEventListener("change",(e)=>{
        console.log(e.target.checked)
    })
}